Best AI Browser Extensions in 2026
Bring AI to every website you visit — no tab switching needed.
Top Picks
- Sider AI — ChatGPT + Claude + Gemini in one sidebar. Summarize, translate, chat. From $10/mo.
- Grammarly — AI writing assistance everywhere you type. Free tier available.
- Monica — All-around AI assistant for text, images, video. From $9.90/mo.
- Perplexity — AI search with citations from any webpage. Free.
- Wappalyzer — See what tech any website uses. Free tier.
- Immersive Translate — Side-by-side bilingual translation. 10M+ users. Free.
Are They Safe?
Major extensions (Grammarly, Perplexity) are well-audited. Always check permissions and install from official stores.
Read the full guide.
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